.pos_f{
    position: sticky;
    top: 0;
    left: 24px;
    background-color: #fff;
}
.flex_x {
    display: flex;
}

.main {
    padding: 24px;
    text-align: center;
    overflow: hidden;
}
.san_zuida {
width: 100%;
height: 64px;
/* background-color: lightsalmon; */
position: sticky;
top: 130px;
z-index: 1;
}

.san_zuida {
width: 100%;
height: 64px;
/* background-color: lightsalmon; */
position: sticky;
top: 0px;
z-index: 1;
}

.san_da {
width: 1263px;
height: 64px;
background-color: rgba(255, 255, 255, 0.959);
/* position: relative; */
margin: 0px auto;
}

.san_yi {
width: 1188px;
height: 64px;
padding-left: 37.5px;
padding-right: 37.5px;
/* background-color: maroon; */
}

.san_yi a {
color: #666666;
text-decoration: none;
}

.san_gai a {
color: #000000;
text-decoration: none;
}

.san_yu a {
color: rgb(255, 255, 255);
text-decoration: none;
}

.san_chuang {
width: 95px;
height: 25px;
padding-right: 24px;
/* background-color: mediumblue; */
font-family: '微软雅黑 Light';
/* line-height: 25px; */
position: relative;
top: 19.5px;
float: left;
font-size: 17px;
cursor: default;
}

.san_kong {
width: 1px;
height: 43px;
padding-top: 5px;
padding-bottom: 5px;
margin-right: 20px;
background-color: rgb(221, 221, 221);
float: left;
position: relative;
top: 6px;
}

.san_gai {
width: 32px;
height: 59px;
padding-left: 20px;
padding-right: 20px;
border-bottom: 4px solid #4d4d4d;
/* background-color: olive; */
float: left;
line-height: 59px;
}

.san_xiang {
width: 32px;
height: 59px;
padding-left: 20px;
padding-right: 20px;
border-bottom: 4px solid rgba(49, 49, 49, 0);
/* background-color: rgb(0, 128, 53); */
float: left;
line-height: 59px;
color: #666666;
cursor: pointer;
}

.san_pei {
width: 48px;
height: 59px;
padding-left: 20px;
padding-right: 20px;
border-bottom: 4px solid rgba(49, 49, 49, 0);
/* background-color: rgb(0, 70, 128); */
float: left;
line-height: 59px;
color: #666666;
cursor: pointer;
}

.san_jia {
width: 112px;
height: 59px;
padding-left: 20px;
padding-right: 20px;
border-bottom: 4px solid rgba(49, 49, 49, 0);
/* background-color: rgb(0, 128, 68); */
float: left;
line-height: 59px;
color: #666666;
cursor: pointer;
}

.san_chong {
width: 64px;
height: 59px;
padding-left: 20px;
padding-right: 20px;
padding-bottom: 4px solid rgba(49, 49, 49, 0);
/* background-color: rgb(13, 0, 128); */
float: left;
line-height: 59px;
color: #666666;
cursor: pointer;
}

.san_li {
width: 64px;
height: 59px;
padding-left: 20px;
padding-right: 20px;
padding-bottom: 4px solid rgba(49, 49, 49, 0);
/* background-color: rgb(100, 128, 0); */
float: left;
line-height: 59px;
color: #666666;
cursor: pointer;
}

.san_xiang:hover,
.san_pei:hover,
.san_jia:hover,
.san_chong:hover,
.san_li:hover {
color: #000;
border-bottom: 4px solid #4d4d4d;
}
.lunbo1 {
    width: 100%;
    height: 545.4px;
    margin-bottom: 45px;
}

.lunbo1_tittle {
  
    height: 86px;
    padding-left: 37.5px;
    padding-right: 37.5px;
    margin-right: 122.1px;
    margin-left: 122.1px;
}

.lunbo1_tittle1 {
   
    height: 56px;
    padding-left: 7.5px;
    padding-right: 7.5px;
    margin-bottom: 30px;
}

.lunbo1_tittle1 h2 {
   
    height: 40px;
    padding-right: 15px;
    margin-bottom: 16px;
    font-size: 25px;
    line-height: 2.5rem;
    font-weight: 300;
    margin-top: 16px;
}

.lunbo1_down {
    width: 100%;
    height: 459px;
    position: relative;
}

.lunbo1_downl{
    width: 100%;
    height: 335px;
    cursor: pointer;
    position: relative;
    margin: 0 auto;
    overflow: hidden;
}

.lunbo1_downlb {
    width: 601px;
    height: 335px;
    margin: -7.5px;
    position: relative;
}

.lb1{
    height: 335.4px;
    /* width: 4270px; */
    position: absolute;
    margin: 0px;
    padding: 0px;
}

.lb1 li {
    width: 601px;
    height: 335px;
    float: left;
}

.lb1 img{
    width: 586px;
    height: 335px;
    margin-left: 7.5px;
    margin-right: 7.5px;
}

.lb1 img:hover {
    box-shadow: 0px 0px 40px gray;
    transform: scale(1.08);
    transition: all 0.5s;
    z-index: 10;
}

.arr1{
    height: 50px;
    width: 1519px;
    position: absolute;
    left: 0px;
    top: 50%;
    transform: translateY(-50%);
    display: none;
}

.arr1 div{
    width: 50px;
    height: 50px;
    background-color: rgba(0, 0, 0, 0.5);
    color: rgb(255, 255, 255);
    font-size: 25px;
    text-align: center;
    line-height: 50px;
}

.arr1_left {
    float: left;
}

.arr1_right{
    float: right;
}
.control1{
   
}

.control1 li {
   display: none;
}


.lunbo1_wenzi
 {
    width: 1200px;
    height: 54px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    padding-left: 37.5px;
    padding-right: 37.5px;
    margin-right: 122.1px;
    margin-left: 122.1px;
}

.lunbo1_zi{
    width: 619px;
    height: 54px;
    position: relative;
}

.wz1 {
    height: 54px;
    position: absolute;
    list-style: none;
}

.wz1 li{
    width: 600px;
    padding-right: 19px;
    height: 38px;
    float: left;
}

.wz1 h4 {
    width: 585px;
    height: 28px;
    padding-top: 10px;
    padding-right: 15px;
    margin: 0px 0px 16px 0px;
    font-size: 1.25rem;
    line-height: 1.75rem;
    font-weight: 300;
}
.single h1{
    margin-bottom: 20px;
}
.single h3{
    margin-bottom: 30px;
}
.single img{
    width: 54%;
}
.single .btn{
    width: 28%;
    margin: 0 2%;
    color: #fff;
    background-color: #0094ff;
    margin: 0 auto;
    width: 300px;
    height: 52px;
    line-height: 52px;
    text-align: center;
    transition: all .5s;
}
.single .btn:hover{
    transform: scale(0.95);
}
.teaser_copy{
    line-height: 1.5;
    text-align: center;
    margin-top: 20px;
}
.single{
    border-bottom: 1px solid #eaeaea;
    padding-bottom: 20px;
}
.mt{
    margin-top: 20px;
}
.all_img img{
    width: 98vw;
    height: 700px;
    margin-top: 40px;
    cursor: pointer;
    transition: all 0.5s;
}
.san_da{
    width: auto !important;
}
.all_img img:hover{
    transform: scale(0.95);
    
}

.all_img{
    position: relative;
    margin-bottom: 500px;
}
.item_img img:hover{
    border: 10px solid #0094ff;
    border-bottom: none;
}
.item_img{
    display: flex;
    justify-content: space-around;
    width: 100vw;
    flex-wrap: wrap;
}
.pos_img{
    position: absolute;
    top: 540px;
}
.item_img img{
    width: 385px;
    height: 217px;
    border: 10px solid #fff;
    
    border-radius: 6px;
}
.details div{
    transition: all .5s;
    box-sizing: border-box;
    padding-bottom: 5px;
}

.details :hover{
    cursor: pointer;
    border-bottom: 1px solid #ccc;
    font-size: 20px;
    transform: scale(0.95);
    
}